Pith Number

pith:VOK5JFNN

pith:2019:VOK5JFNNOTPJPHA2444Q7FKCOS

not attested not anchored not stored refs pending

Maximum power of a two-dimensional quantum mechanical engine with spherical symmetry

J. J. Fernandez, S. Omar

arxiv:1909.13590 v1 · 2019-09-30 · cond-mat.stat-mech

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VOK5JFNNOTPJPHA2444Q7FKCOS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:08:11.660573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab95d495ad74de979c1ae7390f954274be95b8aa7107a516a0912276a840b9aa

Aliases

arxiv: 1909.13590 · arxiv_version: 1909.13590v1 · doi: 10.48550/arxiv.1909.13590 · pith_short_12: VOK5JFNNOTPJ · pith_short_16: VOK5JFNNOTPJPHA2 · pith_short_8: VOK5JFNN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/VOK5JFNNOTPJPHA2444Q7FKCOS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ab95d495ad74de979c1ae7390f954274be95b8aa7107a516a0912276a840b9aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f0424434299322abd92c8b86a4042cc27e3806e0db92fac0a9bb1e697cf415",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2019-09-30T11:10:09Z",
    "title_canon_sha256": "6b74c122e46888afcb92faa374cc0ccf517628c3b1966e1b28604377f9e798d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13590",
    "kind": "arxiv",
    "version": 1
  }
}